---
title: DermNet — Milium, milia
entity_type: Source
canonical_url: https://skinknowledgebase.com/sources/dermnet-milium
date_modified: 2026-05-26
date_reviewed: 2026-05-26
mcp_eligible: true
summary: DermNet explains milia as small keratin cysts that commonly appear on eyelids and cheeks and may persist for months or longer without being acne bumps.
source_type: dermatology_reference
original_source_url: https://dermnetnz.org/topics/milium
evidence_sources: []
product_fact_sources: []
---

# DermNet — Milium, milia

## Quick Summary

DermNet reference defining milia as small keratin cysts under the surface of the skin.

## What Studied

Dermatology reference on milium and milia clinical features.

## Main Findings

DermNet describes milia as harmless tiny pearly-white keratin cysts that often arise on the face, especially eyelids and cheeks.

## Why It Matters

It anchors the distinction between milia and regular whiteheads and supports strong no-picking language.

## Related Entities

- [Milia](https://skinknowledgebase.com/concerns/milia)
- [What causes milia under my eyes?](https://skinknowledgebase.com/questions/what-causes-milia-under-my-eyes)